| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.102 | 19/6:02.938 |
| 2 | 1 | 18.022 | 20/6:11.240 |
| 3 | 2 | 21.167 | 19/6:09.176 |
| 4 | 2 | 19.177 | 19/6:07.973 |
| 5 | 1 | 18.044 | 19/6:02.946 |
| 6 | 4 | 24.195 | 19/6:19.072 |
| 7 | 4 | 19.122 | 19/6:16.822 |
| 8 | 4 | 18.450 | 19/6:13.538 |
| 9 | 3 | 18.890 | 19/6:11.912 |
| 10 | 3 | 18.449 | 19/6:09.774 |
| 11 | 2 | 17.697 | 19/6:06.726 |
| 12 | 2 | 18.377 | 19/6:05.262 |
| 13 | 2 | 17.900 | 19/6:03.327 |
| 14 | 1 | 19.450 | 19/6:03.771 |
| 15 | 1 | 19.498 | 19/6:04.217 |
| 16 | 1 | 18.850 | 19/6:03.838 |
| 17 | 1 | 18.332 | 19/6:02.925 |
| 18 | 2 | 19.944 | 19/6:03.814 |
| 19 | 2 | 19.972 | 19/6:04.638 |